I don't get one point. Why completely remove the limit, and not just raise it to 160 and see what will happen ? (as it was down in 2014) from 80 limit to unlimited... there is a clear difference (it is really an extremist vision). Surprising and unexpected usage will for sure appear. Interesting view : https://beincrypto.com/peter-todds-bitcoin-op_return-limit-proposal-causes-rift-between-core-developers-and-community/